| Material: | Stainless Steel |
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| Shape of Head: | Hexagon |
| Surface Finishing: | Polishing |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier Introducing our Galvanized Stainless Steel Self Drilling Screw, a high-quality fastener designed to meet all your construction needs. Made by Taizhou Fengye Metal Products Co., Ltd., a trusted name in the industry, this screw is perfect for various applications.
Whether you're working on a construction project or DIY tasks, our Galvanized Stainless Steel Self Drilling Screw is the perfect choice. Order now and experience the convenience and reliability it offers!
Introducing the Expansion Bolt, made with durable stainless steel. Ideal for metal structures, profiles, bearing plates, brackets, and beams.
Curtain Wall Fittings
Our high-quality curtain wall fittings are known for their strong capacity and exceptional corrosion resistance. They are extensively used in stone cladding and glass fixing systems.
| Thread specification d |
ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | |
| P | Thread pitch | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| a | Max | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| dc | Max | 6.3 | 8.3 | 8.8 | 10.5 | 11 | 13.5 |
| Min | 5.8 | 7.6 | 8.1 | 9.8 | 10 | 12.2 | |
| c | Min | 0.4 | 0.6 | 0.8 | 0.9 | 1 | 1 |
| s | Max=Nominal | 4 | 5.5 | 7 | 8 | 8 | 10 |
| Min | 3.82 | 5.32 | 6.78 | 7.78 | 7.78 | 9.78 | |
| e | Min | 4.28 | 5.96 | 7.59 | 8.71 | 8.71 | 10.95 |
| k | Max=Nominal | 2.8 | 3.4 | 4.1 | 4.3 | 5.4 | 5.9 |
| Min | 2.5 | 3 | 3.6 | 3.8 | 4.8 | 5.3 | |
| kw | Min | 1.3 | 1.5 | 1.8 | 2.2 | 2.7 | 3.1 |
| r | Max | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 |
| Drilling range (plate thickness) | ≥ | 0.7 | 0.7 | 1.75 | 1.75 | 1.75 | 2 |
| ≤ | 1.9 | 2.25 | 3 | 4.4 | 5.25 | 6 | |
Suppliers with verified business licenses
Audited Supplier 
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